Home / 218,627.22-327,200.10-134,440.71

Finding the Fourth Proportional to 218,627.22, 327,200.10 and 134,440.71

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Solution

The fourth proportional to 218,627.22, 327,200.10 and 134,440.71 is: 201,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.22 : 327,200.10 = 134,440.71 : x
  2. Step 2: Convert to fraction form
    218,627.22/327,200.10 = 134,440.71/x
  3. Step 3: Cross multiply
    218,627.22x = 327,200.10 × 134,440.71
  4. Step 4: Simplify right side
    218,627.22x = 43,989,013,756.07
  5. Step 5: Solve for x
    x = 43,989,013,756.07/218,627.22
  6. Step 6: Final answer
    x = 201,205.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.